diff options
Diffstat (limited to 'llvm/lib/Object/MachOObjectFile.cpp')
| -rw-r--r-- | llvm/lib/Object/MachOObjectFile.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp index 69d36e6..5db2642 100644 --- a/llvm/lib/Object/MachOObjectFile.cpp +++ b/llvm/lib/Object/MachOObjectFile.cpp @@ -192,7 +192,8 @@ static Expected<MachOObjectFile::LoadCommandInfo> getLoadCommandInfo(const MachOObjectFile &Obj, const char *Ptr, uint32_t LoadCommandIndex) { if (auto CmdOrErr = getStructOrErr<MachO::load_command>(Obj, Ptr)) { - if (CmdOrErr->cmdsize + Ptr > Obj.getData().end()) + assert(Ptr <= Obj.getData().end() && "Start must be before end"); + if (CmdOrErr->cmdsize > (uintptr_t)(Obj.getData().end() - Ptr)) return malformedError("load command " + Twine(LoadCommandIndex) + " extends past end of file"); if (CmdOrErr->cmdsize < 8) |